Choose your mood with the Women''s Nike Swim Perfect Solids Reversible Boy Brief Bikini Bottoms. These swim bottoms are reversible so you can choose your look to accompany your mood. Made with chlorine-resistant nylon fabric, these bikini bottoms are durable, colorfast and have excellent shape retention. The elastic waist with drawstring provides a secure and comfortable fit while the Brazilian-inspired cut hugs the body. These are the perfect bottoms for a perfect day in the sand and surf.